Many secondary technical schools, career centers, or technical colleges offer training programs for highschool students as well as adults. When you begin your search, be sure to check with your local vocational-technical school, career center, career college or technical college for the programs they offer. You may find many of these schools listed on the School by State page. Just follow the link to the appropriate state resources.
To find your local school:
Look for a listing of schools in your local phone book
Search online at various phone directories Superpages or Yellowbook
Census.gov gives a listing of schools by county
ERS provides listings by county as well as additional area information